Finding the Fourth Proportional to 161,005.68, 240,943.50 and 129,337.92
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Solution
The fourth proportional to 161,005.68, 240,943.50 and 129,337.92 is: 193,552.99
Step by Step Solution
- Step 1: Write the proportion equation
161,005.68 : 240,943.50 = 129,337.92 : x - Step 2: Convert to fraction form
161,005.68/240,943.50 = 129,337.92/x - Step 3: Cross multiply
161,005.68x = 240,943.50 × 129,337.92 - Step 4: Simplify right side
161,005.68x = 31,163,131,127.52 - Step 5: Solve for x
x = 31,163,131,127.52/161,005.68 - Step 6: Final answer
x = 193,552.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.